Verified65% confidenceFactTime unknown
The TTL (Time To Live) value determines how long DNS resolution results survive in the cache and directly affects the speed at which DNS changes take effect.
3
Sources
65%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedDNS TTL is typically set to 300–86400 seconds; a longer TTL reduces upstream query pressure but slows the propagation of changes.74% similarUnverified每条DNS记录都附带TTL值，指定递归解析器可缓存该记录的秒数，常见设置从300秒到86400秒不等72% similarUnverifiedEnd-to-end latency is typically the sum of capture, network transmission, ASR, LLM time to first token, and TTS time to first packet.71% similarVerifiedThe cache is not permanently valid; providers usually have a TTL of a few minutes to an hour, and the hit rate fluctuates with user behavior.68% similarUnverifiedResponse speed involves time to first token (TTFT) and overall throughput.67% similar
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